diff --git a/action.cjs b/action.cjs
index aa6e61b7..5722305d 100644
--- a/action.cjs
+++ b/action.cjs
@@ -29,6 +29,16 @@ function runCommand () {
   })
 }
 
+function setOutput(core) {
+  // read file contained in GITHUB_OUTPUT
+  fs.readFileSync(process.env.GITHUB_OUTPUT, 'utf8')
+    .split('\n')
+    .forEach(line => {
+      const [key, value] = line.split('=').map(e => e.trim())
+      core.setOutput(key, value)
+    })
+}
+
 module.exports = async ({ github, context, inputs, actionPath, core }) => {
   // const debug = inputs.debug === 'true' ? console.log : () => {}
   const debug = console.log
@@ -67,6 +77,7 @@ module.exports = async ({ github, context, inputs, actionPath, core }) => {
     const env = { ...process.env }
     delete env.GITHUB_BASE_REF
     await runCommand(`${actionPath}/assets/reviewdog.sh`, { env })
+    setOutput(core)
     debug('Reviewdog full step completed')
   }
 
@@ -114,6 +125,7 @@ module.exports = async ({ github, context, inputs, actionPath, core }) => {
       PYPI_INSECURE_HOSTS: inputs.pip_audit_pypi_insecure_hosts
     }
     await runCommand(`${actionPath}/assets/reviewdog.sh`, { env })
+    setOutput(core)
     debug('Reviewdog PR step completed')
 
     // comments-after step